Type A Guide flat keys

Type A Guide flat keys are machine part used in applications where the axial movement of parts on the shaft is not large.There are three types of flat keys: normal type flat keys, thin type flat keys, and guided type flat keys.

Appearance characteristics

Type A Guide flat keys are usually long and rectangular in appearance, with a uniform cross-section along their length. The long shape of these keys provides a stable guide path for the hub in the key way of the shaft and ensures that the hub slides in a straight line along the shaft.

Advantages

The two sides of the Type A Guide flat keys are working surfaces, which closely fit the sides of the hub key way and transmit torque by squeezing each other. These two working surfaces are generally finely machined with low surface roughness to reduce frictional resistance during sliding and improve transmission efficiency.

In order to fix the guided flat key in the key way of the shaft, the Type A Guide flat keys are usually provided with a structure for fastening. Commonly, screw holes are provided at both ends or in the center of the key, and the key is fastened to the shaft by bolts to prevent axial movement of the key during operation.

Application areas

Type A Guide flat keys are widely used in many kinds of mechanical transmission devices.

In the field of machine tool manufacturing：

Such as CNC lathes, milling machines, etc., they are used to connect shafts and transmission parts to ensure the accurate feeding of tools and stable rotation of the spindle.

In automated production lines：

They are used to connect conveyor belts, chains and other transmission parts with shafts to ensure the accurate transmission of materials and smooth production processes.

In the automobile manufacturing industry:

It is used for the internal connection of key components such as automobile engines and transmissions to ensure the reliability of power transmission and the stability of automobile driving.

Differences from other flat keys

Type A Guide flat keys belongs to one kind of guided flat key, and its main difference lies in the design and application occasions compared with other common type flat keys and thin type flat keys. The guided flat key has a long length and special fixing structure, which can provide a stable guiding path for the parts on the shaft, and is suitable for the occasions where the parts on the shaft need to move in the axial direction. The common type flat key is mainly used to fix the position of the parts on the shaft and prevent the parts from moving in the axial and circumferential directions; the thin type flat key is suitable for the occasions with smaller shaft diameter and lighter load.

Xiaoguo® has a full line of fasteners including clamps (throat clamps), half-round keys, elastic cylindrical pins, bolts, nuts, washers, rivets, etc.